<fieldset class="solid">
    <legend>借书</legend>
    <input type="hidden" name="bookid" value="#(bookid??)" />
    <div>
        <label>会员号</label>
        <input type="text" name="readerno"/>
    </div>
    <div>
        <label>数量</label>
        <input type="text" name="booknum"/>
    </div>
    <div>
        <label>&nbsp;</label>
        <input value="借书" type="submit">
    </div>
</fieldset>